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1
52
53 package freemarker.template.utility;
54
55 import java.io.IOException  ;
56 import java.io.Writer ;
57 import java.util.Map ;
58 import org.python.core.PyObject;
59 import org.python.util.PythonInterpreter;
60 import freemarker.template.TemplateTransformModel;
61 import freemarker.core.Environment;
62
63
67
68 public class JythonRuntime extends PythonInterpreter
69 implements TemplateTransformModel
70 {
71 public Writer getWriter(final Writer out,
72 final Map args)
73 {
74 final StringBuffer buf = new StringBuffer ();
75 final Environment env = Environment.getCurrentEnvironment();
76 return new Writer () {
77 public void write(char cbuf[], int off, int len) {
78 buf.append(cbuf, off, len);
79 }
80
81 public void flush() throws IOException {
82 interpretBuffer();
83 out.flush();
84 }
85
86 public void close() {
87 interpretBuffer();
88 }
89
90 private void interpretBuffer() {
91 synchronized(JythonRuntime.this) {
92 PyObject prevOut = systemState.stdout;
93 try {
94 setOut(out);
95 set("env", env);
96 exec(buf.toString());
97 buf.setLength(0);
98 } finally {
99 setOut(prevOut);
100 }
101 }
102 }
103 };
104 }
105 }
106 |
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Java API By Example, From Geeks To Geeks.